Ione, OR Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Ione, a city in Morrow County, Oregon.
This Afternoon
79°F
Sunny
Sunny. High near 79, with temperatures falling to around 77 in the afternoon. West wind 6 to 12 mph, with gusts as high as 20 mph.
7-day forecast for Ione
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 79°F | Sunny | 6 to 12 mph W | 1% |
| Tonight | 52°F | Mostly Clear | 5 to 8 mph SW | 1% |
| Saturday | 80°F | Sunny | 5 to 8 mph W | 0% |
| Saturday Night | 53°F | Partly Cloudy | 6 mph SE | 0% |
| Sunday | 81°F | Sunny | 7 mph NE | 0% |
| Sunday Night | 55°F | Mostly Clear | 6 mph SE | 0% |
| Monday | 83°F | Sunny | 6 mph SW | 0% |
| Monday Night | 56°F | Mostly Clear | 5 to 9 mph W | 0% |
| Tuesday | 79°F | Sunny | 7 to 10 mph W | 0% |
| Tuesday Night | 52°F | Partly Cloudy | 8 to 13 mph W | 0% |
| Wednesday | 75°F | Sunny | 8 mph W | 0% |
| Wednesday Night | 52°F | Partly Cloudy | 6 mph SW | 0% |
| Thursday | 76°F | Mostly Sunny | 3 to 7 mph W | 2% |
| Thursday Night | 53°F | Partly Cloudy | 7 mph W | 4% |
Forecast source: National Weather Service (api.weather.gov) for Ione (45.503, -119.822). Updated through the day.
Growing snapshot for Ione
Last spring frost
Apr 26
First fall frost
Oct 19
Growing season
174 days
Hardiness zone
7b
More local growing data for Ione: nearby ZIP 97843 weather · frost dates · planting calendar · Oregon frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Heppner, Or (18.1 mi from Ione). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 18, 2026.